Euro Ulla, Knekt P, Rissanen H, Aromaa A, Karppinen J, Heliövaara M
Biocenter Oulu, University of Oulu, Oulu, Finland.
Center for Life Course Health Research, Faculty of Medicine, University of Oulu, Oulu, Finland.
Eur Spine J. 2018 Feb;27(2):514-515. doi: 10.1007/s00586-017-5408-9. Epub 2017 Nov 30.